JPH09265623A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPH09265623A
JPH09265623A JP8077460A JP7746096A JPH09265623A JP H09265623 A JPH09265623 A JP H09265623A JP 8077460 A JP8077460 A JP 8077460A JP 7746096 A JP7746096 A JP 7746096A JP H09265623 A JPH09265623 A JP H09265623A
Authority
JP
Japan
Prior art keywords
magnetic
recording medium
binder
polyurethane resin
magnetic recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP8077460A
Other languages
English (en)
Japanese (ja)
Inventor
Akinori Nishizawa
明憲 西沢
Kazuyuki Tanaka
和志 田中
Hideji Sakaguchi
秀治 坂口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Priority to JP8077460A priority Critical patent/JPH09265623A/ja
Priority to EP97105182A priority patent/EP0798699B1/en
Priority to US08/827,370 priority patent/US6153295A/en
Priority to DE69709477T priority patent/DE69709477T2/de
Publication of JPH09265623A publication Critical patent/JPH09265623A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
    • G11B5/7022—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing

Landscapes

  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP8077460A 1996-03-29 1996-03-29 磁気記録媒体 Withdrawn JPH09265623A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8077460A JPH09265623A (ja) 1996-03-29 1996-03-29 磁気記録媒体
EP97105182A EP0798699B1 (en) 1996-03-29 1997-03-27 Magnetic recording medium
US08/827,370 US6153295A (en) 1996-03-29 1997-03-27 Magnetic recording medium
DE69709477T DE69709477T2 (de) 1996-03-29 1997-03-27 Magnetische Aufzeichnungsmedium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8077460A JPH09265623A (ja) 1996-03-29 1996-03-29 磁気記録媒体

Publications (1)

Publication Number Publication Date
JPH09265623A true JPH09265623A (ja) 1997-10-07

Family

ID=13634631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8077460A Withdrawn JPH09265623A (ja) 1996-03-29 1996-03-29 磁気記録媒体

Country Status (4)

Country Link
US (1) US6153295A (ko)
EP (1) EP0798699B1 (ko)
JP (1) JPH09265623A (ko)
DE (1) DE69709477T2 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168856B1 (en) 1998-03-31 2001-01-02 Tdk Corporation Magnetic recording medium
US6214448B1 (en) 1998-03-31 2001-04-10 Tdk Corporation Magnetic recording medium
JP2010248285A (ja) * 2009-04-10 2010-11-04 Hitachi Maxell Ltd 磁性塗料の製造方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851567A1 (de) * 1998-11-09 2000-05-11 Emtec Magnetics Gmbh Durch UV-Bestrahlung härtbare Bindemittelzusammensetzung für magnetische Aufzeichnungsmedien und Photoinitiatormischung
US6740353B1 (en) * 1999-09-10 2004-05-25 Tdk Corporation Process for producing magnetic recording medium
JP4089808B2 (ja) * 2001-12-25 2008-05-28 ケミテック株式会社 上消し可能なマイクロカプセル磁気泳動表示シート
JP2005129141A (ja) * 2003-10-23 2005-05-19 Fuji Photo Film Co Ltd 磁気記録媒体及びその製造方法
CN109852039A (zh) * 2018-12-19 2019-06-07 长春安旨科技有限公司 一种复合型水润滑轴承材料及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600521A (en) * 1984-10-09 1986-07-15 Nippon Zeon Co., Ltd. Electron-beam reactive magnetic coating composition for magnetic recording media
JPS62227745A (ja) * 1986-03-31 1987-10-06 ダイアホイルヘキスト株式会社 磁気記録媒体
JP2691981B2 (ja) * 1987-04-20 1997-12-17 富士写真フイルム株式会社 磁気記録媒体
DE4207984A1 (de) * 1992-03-13 1993-09-16 Asea Brown Boveri Verdraengermaschine nach dem spiralprinzip
US5527603A (en) * 1992-10-13 1996-06-18 Konica Corporation Magnetic recording medium
JPH0722224A (ja) * 1993-07-01 1995-01-24 Dowa Mining Co Ltd 強磁性金属粉末
US5652320A (en) * 1994-10-11 1997-07-29 Sanyo Chemical Industries, Ltd. Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same
JP3547022B2 (ja) * 1994-12-16 2004-07-28 富士写真フイルム株式会社 磁気記録媒体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168856B1 (en) 1998-03-31 2001-01-02 Tdk Corporation Magnetic recording medium
US6214448B1 (en) 1998-03-31 2001-04-10 Tdk Corporation Magnetic recording medium
JP2010248285A (ja) * 2009-04-10 2010-11-04 Hitachi Maxell Ltd 磁性塗料の製造方法

Also Published As

Publication number Publication date
DE69709477T2 (de) 2002-08-01
EP0798699A3 (ko) 1997-10-22
EP0798699B1 (en) 2002-01-09
US6153295A (en) 2000-11-28
DE69709477D1 (de) 2002-02-14
EP0798699A2 (en) 1997-10-01

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Legal Events

Date Code Title Description
A300 Application deemed to be withdrawn because no request for examination was validly filed

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20030603